Pennsylvania Academy of the Fine Arts. (1989). The American paintings in the Pennsylvania Academy of the Fine Arts: An illustrated checklist.
Chicago-Zitierstil (17. Ausg.)Pennsylvania Academy of the Fine Arts. The American Paintings in the Pennsylvania Academy of the Fine Arts: An Illustrated Checklist. Philadelphia, 1989.
MLA-Zitierstil (9. Ausg.)Pennsylvania Academy of the Fine Arts. The American Paintings in the Pennsylvania Academy of the Fine Arts: An Illustrated Checklist. 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.